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Automotive Steel Tubing

Lock Joint Tube (LJT) has been a proud partner of the automotive industry for 100 years. Our auto tube manufacturing capabilities include creating unique shapes, precision cutting, and our subject matter experts have helped the industry evolve and innovate ofer the past century.

With over 350 outside diameters to choose from, Lock Joint Tube is the ultimate auto tube manufacturing resource. Our industry experience combined with our high-quality steel materials give us an advantage over competitors, we supply tubing for a variety of automotive applications from inner to outer components!

Contact Us
Lock Joint Tube is your auto tube manufacturing partner,

we can accommodate special & unique requirements

Custom Tubing Solutions for Your Application

The LJT Advantage:

  • Experience Providing ERW Steel Tube as a Tier One, Two and Three Supplier to Domestic and Transplant OEMS
  • Variety of Steel Grades LJT Produces including Advanced High Strength Steels
  • Coated Steel Capabilities ideal for automotive interior steel tubing
  • Range of tube sizes and d/t ratios including special shapes
  • Cut to length and laser processing capabilities
  • Full Metallurgical Lab on site with Technical Service assistance
  • Non-Destruct and Destruct Mill Testing
  • PPAP, AQP, ISIR capabilities
  • Strategic Locations in South Bend Indiana, Chattanooga TN and Temple Texas 
  • Logistic advantages using Corporate Fleet vehicles for JIT deliveries.
  • Relationships with All Major Domestic Steel Producers

Have a Question?
Our experts can help

Give us a call at 800-257-6859 or leave us a message.

Ask a Tubing Expert